JP4501656B2 - 焼結鉱の製造方法 - Google Patents
焼結鉱の製造方法 Download PDFInfo
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- JP4501656B2 JP4501656B2 JP2004343931A JP2004343931A JP4501656B2 JP 4501656 B2 JP4501656 B2 JP 4501656B2 JP 2004343931 A JP2004343931 A JP 2004343931A JP 2004343931 A JP2004343931 A JP 2004343931A JP 4501656 B2 JP4501656 B2 JP 4501656B2
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- ore
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- 238000004519 manufacturing process Methods 0.000 title claims description 29
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 54
- 239000002994 raw material Substances 0.000 claims description 35
- 229910052698 phosphorus Inorganic materials 0.000 claims description 29
- 239000011574 phosphorus Substances 0.000 claims description 29
- 238000005245 sintering Methods 0.000 claims description 26
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 25
- 229910018072 Al 2 O 3 Inorganic materials 0.000 claims description 23
- 229910052742 iron Inorganic materials 0.000 claims description 23
- 239000000428 dust Substances 0.000 claims description 6
- 238000009628 steelmaking Methods 0.000 claims description 4
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 106
- 239000000155 melt Substances 0.000 description 25
- 238000002156 mixing Methods 0.000 description 17
- 239000000843 powder Substances 0.000 description 10
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 8
- 230000015572 biosynthetic process Effects 0.000 description 7
- 238000010304 firing Methods 0.000 description 7
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 6
- 239000000292 calcium oxide Substances 0.000 description 5
- 235000012255 calcium oxide Nutrition 0.000 description 5
- 239000002245 particle Substances 0.000 description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 239000003575 carbonaceous material Substances 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 235000019738 Limestone Nutrition 0.000 description 3
- 229910019142 PO4 Inorganic materials 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 239000010419 fine particle Substances 0.000 description 3
- 229910052595 hematite Inorganic materials 0.000 description 3
- 239000011019 hematite Substances 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- LIKBJVNGSGBSGK-UHFFFAOYSA-N iron(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Fe+3].[Fe+3] LIKBJVNGSGBSGK-UHFFFAOYSA-N 0.000 description 3
- 239000006028 limestone Substances 0.000 description 3
- 230000035699 permeability Effects 0.000 description 3
- 239000010452 phosphate Substances 0.000 description 3
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 3
- 239000002367 phosphate rock Substances 0.000 description 3
- 230000009257 reactivity Effects 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 description 2
- WETINTNJFLGREW-UHFFFAOYSA-N calcium;iron;tetrahydrate Chemical compound O.O.O.O.[Ca].[Fe].[Fe] WETINTNJFLGREW-UHFFFAOYSA-N 0.000 description 2
- 239000000571 coke Substances 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000005469 granulation Methods 0.000 description 2
- 230000003179 granulation Effects 0.000 description 2
- SZVJSHCCFOBDDC-UHFFFAOYSA-N iron(II,III) oxide Inorganic materials O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 229910052814 silicon oxide Inorganic materials 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- WYTGDNHDOZPMIW-RCBQFDQVSA-N alstonine Natural products C1=CC2=C3C=CC=CC3=NC2=C2N1C[C@H]1[C@H](C)OC=C(C(=O)OC)[C@H]1C2 WYTGDNHDOZPMIW-RCBQFDQVSA-N 0.000 description 1
- 229910052586 apatite Inorganic materials 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- VSIIXMUUUJUKCM-UHFFFAOYSA-D pentacalcium;fluoride;triphosphate Chemical compound [F-].[Ca+2].[Ca+2].[Ca+2].[Ca+2].[Ca+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O VSIIXMUUUJUKCM-UHFFFAOYSA-D 0.000 description 1
- 239000012256 powdered iron Substances 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 238000003908 quality control method Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 230000004580 weight loss Effects 0.000 description 1
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- Manufacture And Refinement Of Metals (AREA)
Description
第146、147回西山記念技術講座「製銑技術の最近の進歩と将来」1993年、p.36、37
(1)配合された鉄鉱石がP含有量が0.1mass%以上、Al2O3含有量が2.0mass%以上の高リン鉱石を含有し、該高リン鉱石100質量部に対して、FeO源をFeO換算量で3質量部以上配合し、かつ全鉄鉱石100質量部に対する前記FeO源の割合をFeO換算量で5質量部以下とした焼結原料から焼結鉱を製造することを特徴とする焼結鉱の製造方法。
(2)FeO源が、ミルスケール、高炉発生ダスト、製鋼ダストの中から選ばれる1種または2種以上であることを特徴とする(1)に記載の焼結鉱の製造方法。
Claims (2)
- 配合された鉄鉱石がP含有量が0.1mass%以上、Al2O3含有量が2.0mass%以上の高リン鉱石を含有し、該高リン鉱石100質量部に対して、FeO源をFeO換算量で3質量部以上配合し、かつ全鉄鉱石100質量部に対する前記FeO源の割合をFeO換算量で5質量部以下とした焼結原料から焼結鉱を製造することを特徴とする焼結鉱の製造方法。
- FeO源が、ミルスケール、高炉発生ダスト、製鋼ダストの中から選ばれる1種または2種以上であることを特徴とする請求項1に記載の焼結鉱の製造方法。
Priority Applications (1)
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JP2004343931A JP4501656B2 (ja) | 2004-11-29 | 2004-11-29 | 焼結鉱の製造方法 |
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JP2004343931A JP4501656B2 (ja) | 2004-11-29 | 2004-11-29 | 焼結鉱の製造方法 |
Publications (2)
Publication Number | Publication Date |
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JP2006152367A JP2006152367A (ja) | 2006-06-15 |
JP4501656B2 true JP4501656B2 (ja) | 2010-07-14 |
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JP2004343931A Expired - Lifetime JP4501656B2 (ja) | 2004-11-29 | 2004-11-29 | 焼結鉱の製造方法 |
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Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5617167B2 (ja) * | 2009-02-12 | 2014-11-05 | Jfeスチール株式会社 | 高炉用焼結鉱の製造方法 |
JP5544784B2 (ja) * | 2009-08-17 | 2014-07-09 | Jfeスチール株式会社 | 焼結機 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005133209A (ja) * | 2003-10-09 | 2005-05-26 | Jfe Steel Kk | 焼結鉱の製造方法、焼結用原料の製造方法、造粒粒子、および焼結鉱 |
JP2005350770A (ja) * | 2004-05-13 | 2005-12-22 | Nippon Steel Corp | 焼結原料の事前処理方法 |
JP2006312786A (ja) * | 2004-05-13 | 2006-11-16 | Nippon Steel Corp | 焼結原料の事前処理方法 |
-
2004
- 2004-11-29 JP JP2004343931A patent/JP4501656B2/ja not_active Expired - Lifetime
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005133209A (ja) * | 2003-10-09 | 2005-05-26 | Jfe Steel Kk | 焼結鉱の製造方法、焼結用原料の製造方法、造粒粒子、および焼結鉱 |
JP2005350770A (ja) * | 2004-05-13 | 2005-12-22 | Nippon Steel Corp | 焼結原料の事前処理方法 |
JP2006312786A (ja) * | 2004-05-13 | 2006-11-16 | Nippon Steel Corp | 焼結原料の事前処理方法 |
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